UPSC Prelims 2019 · GS Paper I
Science questions from UPSC 2019
Review every Science question in the 2019 paper with its answer and study explanation, then launch the same set under timed exam conditions.
Topic distribution
All 2019 Science questions
Open any question for the full options, answer, explanation, and syllabus metadata.
Question 1 · Biotechnology & Genetic Engineering
With reference to the recent developments in science, which one of the following statements is not correct?
Question 2 · Information & Communication Technology (ICT)
In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? 1. Location identification of a person 2. Sleep monitoring of a person 3. Assisti...
Question 3 · Astronomy & Astrophysics
Recently, scientists observed the merger of giant 'blackholes' billions of light-years away from the Earth. What is the significance of this observation?
Question 4 · Public Health & Diseases
Which one of the following statements is not correct?
Question 5 · Biotechnology
What is Cas9 protein that is often mentioned in news?
Question 6 · Renewable Energy & Pollution Control
In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements : 1. The main advantage of the use of H-CNG i...
Question 7 · Biotechnology
'RNA interference (RNAi)' technology has gained popularity in the last few years. Why? 1. It is used in developing gene silencing therapies. 2. It can be used in developing therapies for the...
Question 8 · Public Health & Microbiology
Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India? 1. Genetic predisposition of some people 2. Taking incorrect doses of anti...
Question 9 · Space Technology & Remote Sensing
For the measurement/estimation of which of the following are satellite images/remote sensing data used? 1. Chlorophyll content in the vegetation of a specific location 2. Greenhouse gas emis...
Question 10 · Intellectual Property Rights
Consider the following statements : 1. According to the Indian Patents Act, a biological process to create a seed can be patented in India. 2. In India, there is no Intellectual Property App...
Question 11 · Anthropology
The word 'Denisovan' is sometimes mentioned in media in reference to
Question 12 · Cybersecurity & Cryptography
Consider the following statements : A digital signature is 1. an electronic record that identifies the certifying authority issuing it 2. used to serve as a proof of identity of an individua...
Question 13 · Digital Technologies
In the context of digital technologies for entertainment, consider the following statements : 1. In Augmented Reality (AR), a simulated environment is created and the physical world is compl...